idea2019版本 使用技巧:下划线转驼峰及大小写转换插件和快捷键
restart 重启idea
参考博客:https://blog.csdn.net/weixin_42183894/article/details/103696414?utm_medium=distribute.pc_relevant_download.none-task-blog-baidujs-2.nonecase&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-baidujs-2.nonecase